Provider Table

Provider Table

Search Engine Provides primary search results to: Provides secondary search results to: Provides directory results to: Provides paid results to: none none none none none none none none none none none none ask hotbot iwon lycos none none ask dmoz none altavista aol dmoz google hotbot iwon lycos netscape none aol google netscape none none aol google hotbot iwon lycos netscape none none none none none none none none none none none none msn hotbot none none none none none none alltheweb altavista yahoo none yahoo none none none none alltheweb altavista yahoo yahoosearchmarketing

Receiver Table

Search Engine Receives primary search results from: Receives secondary search results from: Receives directory results from: Receives paid results from: yahoo none none yahoosearchmarketing yahoo none dmoz yahoosearchmarketing google none dmoz google ask none none ask dmoz none dmoz none google none dmoz google ask msn dmoz google ask none dmoz google ask none dmoz google msn none none none google none dmoz google yahoo none yahoo yahoosearchmarketing none none none yahoosearchmarketing

Notes Primary search results are those results that are most likely to be returned for a given search. Secondary search results are those results provided in the case that no useful matches were returned by the primary search engine. Directory search results are those results that editors who work for the search engine have reviewed and organized by subject. Paid search results are those results that advertisers have paid to have listed in a search engine's results.